FR2422776A1 - Dispositif de dragage a deflecteur d'eau - Google Patents

Dispositif de dragage a deflecteur d'eau

Info

Publication number: FR2422776A1
Authority: FR; France
Prior art keywords: ocean floor; water; dredging device; water deflector; exploitation
Prior art date: 1977-11-14
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

FR7831979A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Deepsea Ventures Inc

Original Assignee

Deepsea Ventures Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-11-14

Filing date

1978-11-13

Publication date

1979-11-09

1978-11-13 Application filed by Deepsea Ventures Inc filed Critical Deepsea Ventures Inc

1979-11-09 Publication of FR2422776A1 publication Critical patent/FR2422776A1/fr

Status Withdrawn legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Civil Engineering (AREA)
General Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Nozzles (AREA)
Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Earth Drilling (AREA)
Drilling And Exploitation, And Mining Machines And Methods (AREA)

FR7831979A 1977-11-14 1978-11-13 Dispositif de dragage a deflecteur d'eau Withdrawn FR2422776A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/851,515 US4171581A (en)	1977-11-14	1977-11-14	Water flow-deflecting shield for dredge suction nozzle

Publications (1)

Publication Number	Publication Date
FR2422776A1 true FR2422776A1 (fr)	1979-11-09

Family

ID=25310962

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7831979A Withdrawn FR2422776A1 (fr)	1977-11-14	1978-11-13	Dispositif de dragage a deflecteur d'eau

Country Status (9)

Country	Link
US (1)	US4171581A (de)
JP (1)	JPS5481102A (de)
AU (1)	AU521939B2 (de)
BE (1)	BE871966A (de)
CA (1)	CA1098920A (de)
DE (1)	DE2849356A1 (de)
FR (1)	FR2422776A1 (de)
GB (1)	GB2007746B (de)
NL (1)	NL7811247A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4319414A (en) *	1980-06-02	1982-03-16	Deepsea Ventures, Inc.	Dredgehead having forward water-deflecting means comprising two transverse elements
US4347675A (en) *	1981-02-09	1982-09-07	Deepsea Ventures, Inc.	Dredging means having means for excluding oversized slender objects
US4367601A (en) *	1981-02-09	1983-01-11	Deepsea Ventures, Inc.	Separable means for excluding oversized slender objects
ES8603459A1 (es) *	1983-09-29	1985-12-16	Akzo Nv	Un procedimiento para la preparacion de nuevos derivados de quinazolina e isoquinolina.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1480456A (fr) *	1962-02-26	1967-05-12	Kennecott Copper Corp	Procédé et dispositif d'exploitation de gîtes ou analogues sur les fonds marins etleurs diverses applications
FR2288190A1 (fr) *	1974-10-18	1976-05-14	Nat Car Rental Syst	Tete de dragage pour drague-suceuse mobile
FR2294281A1 (fr) *	1974-12-11	1976-07-09	Int Nickel Ltd	Appareil collecteur notamment pour collecter des agregats mineraux
FR2294280A1 (fr) *	1974-12-11	1976-07-09	Int Nickel Ltd	Dispositif de ramassage de mineraux

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1070271A (en) *	1911-01-23	1913-08-12	Nels A Lybeck	Oyster-dredging machine.
US3456371A (en) *	1965-05-06	1969-07-22	Kennecott Copper Corp	Process and apparatus for mining deposits on the sea floor

1977
- 1977-11-14 US US05/851,515 patent/US4171581A/en not_active Expired - Lifetime
1978
- 1978-10-30 CA CA314,756A patent/CA1098920A/en not_active Expired
- 1978-11-13 FR FR7831979A patent/FR2422776A1/fr not_active Withdrawn
- 1978-11-13 BE BE191689A patent/BE871966A/xx unknown
- 1978-11-14 GB GB7844448A patent/GB2007746B/en not_active Expired
- 1978-11-14 DE DE19782849356 patent/DE2849356A1/de not_active Withdrawn
- 1978-11-14 NL NL7811247A patent/NL7811247A/xx not_active Application Discontinuation
- 1978-11-14 JP JP14037078A patent/JPS5481102A/ja active Pending
- 1978-11-14 AU AU41573/78A patent/AU521939B2/en not_active Expired

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1480456A (fr) *	1962-02-26	1967-05-12	Kennecott Copper Corp	Procédé et dispositif d'exploitation de gîtes ou analogues sur les fonds marins etleurs diverses applications
FR2288190A1 (fr) *	1974-10-18	1976-05-14	Nat Car Rental Syst	Tete de dragage pour drague-suceuse mobile
FR2294281A1 (fr) *	1974-12-11	1976-07-09	Int Nickel Ltd	Appareil collecteur notamment pour collecter des agregats mineraux
FR2294280A1 (fr) *	1974-12-11	1976-07-09	Int Nickel Ltd	Dispositif de ramassage de mineraux

Also Published As

Publication number	Publication date
CA1098920A (en)	1981-04-07
JPS5481102A (en)	1979-06-28
US4171581A (en)	1979-10-23
AU521939B2 (en)	1982-05-06
BE871966A (fr)	1979-05-14
AU4157378A (en)	1979-05-24
DE2849356A1 (de)	1979-05-17
NL7811247A (nl)	1979-05-16
GB2007746A (en)	1979-05-23
GB2007746B (en)	1982-04-15

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Legal Events

Date	Code	Title	Description
1984-09-21	ST	Notification of lapse